Collin Value

1643 Old Millwood Rd Rockwall, TX 75087

4,386 sqft, built 1992. Appraised at $896,286 for 2026.

Collin County account 1986244

Appraised value
$896,286
Tax year 2026
Living area
4,386 sqft
$204 per sqft
Year built
1992

Compare this assessment

Start with the county value and property facts, then review appraisal comps, recent sales, and prior-year changes to decide whether the assessment is worth challenging. The comps on this page are free to review; email sign-in is only used to save a printable report.

For nearby context, browse ZIP 75087 assessment pages.

Protest deadline

The 2026 protest deadline was . The 2027 protest deadline is . 2027 notices usually arrive in April.

Deadline rule: May 15, or 30 days after your notice of appraised value is mailed, whichever is later. A deadline on a weekend or holiday moves to the next business day. Evidence is reviewed by the Appraisal Review Board (ARB). Dates checked against the official source.

Assessment snapshot

These public CCAD records highlight what may be worth checking before you file.

  • Assessment changeThe appraised value increased 7.3% from $834,943 in 2025 to $896,286 in 2026.
  • Appraised value per square footThe current public record shows about $204 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for ZIP 75087.
  • Neighborhood value signalAmong 743 residential records in the same neighborhood, the average appraised value is about $211 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +13.5% on average.

Comparable assessments

Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.

  • 1762 Gage Rd, Lavon, TX 75166
    4,107 sqft | $216/sqft | built 1999 | 6% smaller (4,107 vs 4,386 sqft); Similar lot size (158,601 vs 161,172 sqft); Same neighborhood
    $885,176
  • 8277 Private Road 5397, Lavon, TX 75166
    4,379 sqft | $177/sqft | built 1999 | Similar size (4,379 vs 4,386 sqft); Lot 19% smaller (130,244 vs 161,172 sqft); Both have pool
    $775,417
  • 615 E FM 6, Nevada, TX 75173
    4,177 sqft | $163/sqft | built 2001 | Similar size (4,177 vs 4,386 sqft); Lot 19% smaller (130,680 vs 161,172 sqft); Both have pool
    $682,000
  • 19569 FM 2755 Royse City, TX 75189
    4,982 sqft | $118/sqft | built 1999 | 14% larger (4,982 vs 4,386 sqft); Lot 16% larger (187,647 vs 161,172 sqft); Same neighborhood
    $589,000
  • 5440 County Road 597, Farmersville, TX 75442
    4,908 sqft | $186/sqft | built 2004 | 12% larger (4,908 vs 4,386 sqft); Lot 15% larger (184,999 vs 161,172 sqft); Same neighborhood
    $914,965

Recent comparable sales

Sales selected by similarity to the subject property. Texas is a non-disclosure state, so these MLS-listed sales are supplemental evidence.

  • 990 Cornelius Rd Rockwall, TX 75087
    September-4-2026 | 5,088 sqft | $226/sqft | built 1997 | Moderate age difference (5 years newer); Sold after the valuation date
    $1,149,000
  • 13 Crestview Cir Rockwall, TX 75087
    May-29-2026 | 4,200 sqft | $179/sqft | built 1987 | Similar size (4,200 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $750,000
  • 625 Southwestern Dr Rockwall, TX 75087
    July-31-2026 | 4,295 sqft | $166/sqft | built 2012 | Similar size (4,295 sqft); Sold after the valuation date
    $715,000
  • 6218 Lincolnshire Ln Rockwall, TX 75087
    September-25-2026 | 4,317 sqft | $299/sqft | built 1996 | Similar size (4,317 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $1,290,000
  • 1680 Lake Brook Cir Rockwall, TX 75087
    August-28-2026 | 3,955 sqft | $173/sqft | built 2006 | 10% size difference (3,955 sqft); Sold after the valuation date
    $684,000

Public appraisal comparison for 2026. Prepared . Appraisal source: Collin Central Appraisal District. Sales data checked in this snapshot: . Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 7.3% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$896,286+$61,343+7.3%
2025$834,943−$51,182−5.8%
2024$886,125+$697+0.1%
2023$885,428+$32,506+3.8%
2022$852,922+$228,672+36.6%
2021$624,250+$64,235+11.5%
2020$560,015——
6-year total+$336,271+60.0%